Product Name: Vacuum Brazed Diamond Drill Core Bits Sets Hole Saw 

Quantity: 1set/4pcs boxed drill bits

Contains：4pcs(6/6mm) drill bits and 1pc 20mm Chamfer bit ,1pc Hex adapter.

Specification:

1, Core bits: Dia 6/6mm; 5/8"-11 connection; total length 62mm; diamond height 10mm; 

2, Chamfer Bit: Dia 20mm; 5/8"-11 connection; total length 40mm;Working length 20mm 

3,The Hex adapter : 5/8"-11 male thread, hexagon shank, shank length 28mm, total length 53mm；         

Feature:

• Dry/wet drilling for porcelain tile, granite, marble, stone..

• Multifunction:Easy enlarging, beveling or shaping the holes.
  

• Vacuum brazed technology provides longer working life, Fast and smooth drilling

• Less chipping, minimizing breakage, less heat generation, better finish quality